USPC Class Details

Description: 307 electrical transmission or interconnection systems / 307 electrical transmission or interconnection systems/(11) plural load circuit systems (18) plural sources of supply (19) interconnected for energy transfer (20) with control of magnitude of energy transfer

Hierarchy/Derived subclasses

307 / 11

-> 18

-> 19

-> 20

uspto searches

Patent Apps in 307/20

Granted Patents in 307/20

Use the links above or do an advanced search in ppubs for:
(307/20.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.

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